https://repositorio.ufba.br/handle/ri/7816
metadata.dc.type: | Artigo de Periódico |
Título : | Generalized invariants and quantum evolution of open fermionic systems |
Otros títulos : | Physics Letters A |
Autor : | Kim, S. P. Santana, Ademir Eugênio de Khanna, Faqir C. |
metadata.dc.creator: | Kim, S. P. Santana, Ademir Eugênio de Khanna, Faqir C. |
Resumen : | Open systems acquire time-dependent coupling constants through interaction with an external field or environment. We generalize the Lewis–Riesenfeld invariant theorem to open system of quantum fields after second quantization. The generalized invariants and thereby the quantum evolution are found explicitly for time-dependent quadratic fermionic systems. The pair production of fermions is computed and other physical implications are discussed. |
URI : | http://www.repositorio.ufba.br/ri/handle/ri/7816 |
Fecha de publicación : | 2000 |
Aparece en las colecciones: | Artigo Publicado em Periódico (FIS) |
Fichero | Descripción | Tamaño | Formato | |
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Kim.pdf Restricted Access | 150,58 kB | Adobe PDF | Visualizar/Abrir Request a copy |
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